lib/htmlpurifier/HTMLPurifier/AttrDef/CSS/Composite.php

   1 <?php
   2
   3 /**
   4  * Allows multiple validators to attempt to validate attribute.
   5  *
   6  * Composite is just what it sounds like: a composite of many validators.
   7  * This means that multiple HTMLPurifier_AttrDef objects will have a whack
   8  * at the string.  If one of them passes, that's what is returned.  This is
   9  * especially useful for CSS values, which often are a choice between
  10  * an enumerated set of predefined values or a flexible data type.
  11  */
  12 class HTMLPurifier_AttrDef_CSS_Composite extends HTMLPurifier_AttrDef
  13 {
  14
  15     /**
  16      * List of HTMLPurifier_AttrDef objects that may process strings
  17      * @protected
  18      */
  19     var $defs;
  20
  21     /**
  22      * @param $defs List of HTMLPurifier_AttrDef objects
  23      */
  24     function HTMLPurifier_AttrDef_CSS_Composite($defs) {
  25         $this->defs = $defs;
  26     }
  27
  28     function validate($string, $config, &$context) {
  29         foreach ($this->defs as $i => $def) {
  30             $result = $this->defs[$i]->validate($string, $config, $context);
  31             if ($result !== false) return $result;
  32         }
  33         return false;
  34     }
  35
  36 }
  37
  38 ?>